Foldable booster seat



FIG. 1 is a front right perspective view of the foldable booster seat in a folded position;

FIG. 2 is a front view of the foldable booster seat in a folded position;

FIG. 3 is a rear view of the foldable booster seat in a folded position;

FIG. 4 is a right view of the foldable booster seat in a folded position;

FIG. 5 is a left view of the foldable booster seat in a folded position;

FIG. 6 is a top view of the foldable booster seat in a folded position;

FIG. 7 is a bottom view of the foldable booster seat in a folded position;

FIG. 8 is a front right perspective view of the foldable booster seat in an unfolded position;

FIG. 9 is a front view of the foldable booster seat in an unfolded position;

FIG. 10 is a rear view of the foldable booster seat in an unfolded position;

FIG. 11 is a right view of the foldable booster seat in an unfolded position;

FIG. 12 is a left view of the foldable booster seat in an unfolded position;

FIG. 13 is a top view of the foldable booster seat in an unfolded position; and,

FIG. 14 is a bottom view of the foldable booster seat in an unfolded position.

The subject matter shown in dashed lines is for illustrative purposes and forms no part of the claimed design. 

CLAIM The ornamental design for a “foldable booster seat,” as shown and described. 